Got basic stream piping (Closes #6)

Assignment 1/Assignment 1.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>

Assignment 1/Program.cs

@@ -39,6 +39,7 @@ namespace Assignment_1
             '$', '\\', '\"', '\''
         };
 
+        static bool nonStrict = false;
 
         static void Main(string[] args)
         {
@@ -48,14 +49,33 @@ namespace Assignment_1
             Console.WriteLine("└──────────────────────────────────────────┘");
             // Parse the source from the memory stream
             MemoryStream sourceStream = new MemoryStream(1024);
-            Parser parser = new Parser();
+            Parser parser = new();
             bool dynamicInput = false;
+            foreach (var arg in args)
+            {
+                if (arg == "-ns")
+                {
+                    nonStrict = true;
+                }
+            }
             // From https://stackoverflow.com/questions/3453220/how-to-detect-if-console-in-stdin-has-been-redirected
             // Reading from pipes is equivalent to reading user input, though the input is redirected
             if (Console.IsInputRedirected)
             {
                 sourceStream.Write(Encoding.UTF8.GetBytes(Console.In.ReadToEnd()));
+                
                 sourceStream.Position = 0;
+                Console.WriteLine("Input is piped");
+                /*byte[] bytes = new byte[sourceStream.Length];
+                sourceStream.Read(bytes);
+                string readBytes = Encoding.UTF8.GetString(bytes);
+                Console.WriteLine(readBytes);
+                sourceStream.Position = 0;
+                foreach (var item in bytes)
+                {
+                    Console.Write(item+", ");
+                }
+                Console.WriteLine();*/
             }
             else
             {
@@ -86,8 +106,12 @@ namespace Assignment_1
             public void StartParsing(Stream source, bool dynamicInput = false)
             {
                 long initSourceLength = source.Length;
-                if ((byte)source.ReadByte() == '{')
+                if (nonStrict || PeekChar(source) == '{')
                 {
+                    if (PeekChar(source) == '{')
+                    {
+                        source.ReadByte();
+                    }
                     long lastLinePos = 0;
                     long initPos = 0;
                     bool cont = false;
@@ -206,9 +230,10 @@ namespace Assignment_1
                             {
                                 // Statement parse failed,
                                 // Ensure stream gets trimmed back to the correct position
-                                Console.WriteLine("Failed parsing statement");
+                                //Console.WriteLine("Failed parsing statement");
-                                source.Position = initPos;
+                                Console.WriteLine("Position is " + source.Position);
-                                source.SetLength(initPos);
+                                Console.WriteLine("Length is " + source.Length);
+                                throw new ParserException("Failed parsing statement", 0, source.Position);
                             }
                         }
                         // Throwing a parserexception will return us to this point immediately. From here, the line is automatically restored,
@@ -230,12 +255,19 @@ namespace Assignment_1
                                 source.Position = initPos;
                                 source.SetLength(initPos);
                             }
-
+                            if (!dynamicInput)
+                            {
+                                Environment.Exit(-1);
+                            }
                         }
 
                     }
                     
                 }
+                else
+                {
+                    Console.WriteLine("First read character was not \'{\'. Use the launch flag -ns for non-strict checking");
+                }
             }
 
             #region Function Handling

Assignment 1/Properties/launchSettings.json

@@ -0,0 +1,12 @@
+{
+  "profiles": {
+    "Assignment 1": {
+      "commandName": "Project"
+    },
+    "newProfile1": {
+      "commandName": "Executable",
+      "executablePath": "C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe",
+      "commandLineArgs": "-command \"& type .\\outtest.txt | & '.\\Assignment 1.exe'\""
+    }
+  }
+}